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LM2941CS/NOPB 데이터시트(PDF) 14 Page - Texas Instruments

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부품명 LM2941CS/NOPB
상세설명  1A Low Dropout Adjustable Regulator
PDF  30 Pages
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제조업체  TI1 [Texas Instruments]
홈페이지  http://www.ti.com
Logo TI1 - Texas Instruments

LM2941CS/NOPB 데이터시트(HTML) 14 Page - Texas Instruments

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ON/OFF
GND
GND
GND
GND
C
IN
C
OUT
IN
NC
OUT
NC
ADJ
R1
R2
Thermal Vias
LM2941, LM2941C
SNVS770I – JUNE 1999 – REVISED JANUARY 2015
www.ti.com
9 Power Supply Recommendations
The device is designed to operate from an input voltage supply range between VOUT + 1 V up to a maximum of
26 V. This input supply must be well regulated and free of spurious noise. To ensure that the LM2941 output
voltage is well regulated, the input supply should be at least VOUT + 2 V.
10 Layout
10.1 Layout Guidelines
The dynamic performance of the LM2941 is dependent on the layout of the PCB. PCB layout practices that are
adequate for typical LDOs may degrade the PSRR, noise, or transient performance of the LM2941. Best
performance is achieved by placing CIN and COUT on the same side of the PCB as the LM2941, and as close as
is practical to the package. The ground connections for CIN and COUT should be back to the LM2941 ground pin
using as wide and short of a copper trace as is practical.
10.2 Layout Example
Figure 21. LM2941 WSON Package Typical Layout
14
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Copyright © 1999–2015, Texas Instruments Incorporated
Product Folder Links: LM2941 LM2941C



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